Chair



FIG. 1 is a front perspective view of a chair embodying my design;

FIG. 2 is a side elevational view thereof, the other side elevation having the same appearance;

FIG. 3 is a rear elevational view;

FIG. 4 is a top plan view; and

FIG. 5 is a bottom view. 

The ornamental design for a chair, substantially as shown and described. 